package main

import (
	"runtime"
	"time"
)

func main() {
	for i := 0; i < 100000000000; i++ {
		select {
		case <-time.After(time.Millisecond):
		default:
			// 故意不读取 time.After 的 channel
		}
		if i%10000 == 0 {
			runtime.GC()
			println("Iter:", i)
		}
	}
}
